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derive Copy for WrappingRange and Scalar

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This commit is contained in:
Andreas Liljeqvist 2021-08-28 11:04:23 +02:00
parent 4c46296f22
commit 021c3346ed
2 changed files with 6 additions and 6 deletions
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2
compiler/rustc_codegen_ssa/src/mir/rvalue.rs
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@ -300,7 +300,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
let llval = operand.immediate();
let mut signed = false;
if let Abi::Scalar(ref scalar) = operand.layout.abi {
if let Abi::Scalar(scalar) = operand.layout.abi {
if let Int(_, s) = scalar.value {
// We use `i1` for bytes that are always `0` or `1`,
// e.g., `#[repr(i8)] enum E { A, B }`, but we can't

10
compiler/rustc_target/src/abi/mod.rs
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@ -741,7 +741,7 @@ impl Primitive {
///
/// This is intended specifically to mirror LLVM’s `!range` metadata,
/// semantics.
#[derive(Clone, PartialEq, Eq, Hash)]
#[derive(Clone, Copy, PartialEq, Eq, Hash)]
#[derive(HashStable_Generic)]
pub struct WrappingRange {
pub start: u128,
@ -797,7 +797,7 @@ impl fmt::Debug for WrappingRange {
}
/// Information about one scalar component of a Rust type.
#[derive(Clone, PartialEq, Eq, Hash, Debug)]
#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
#[derive(HashStable_Generic)]
pub struct Scalar {
pub value: Primitive,
@ -1070,7 +1070,7 @@ impl Niche {
}
pub fn available<C: HasDataLayout>(&self, cx: &C) -> u128 {
let Scalar { value, valid_range: ref v } = self.scalar;
let Scalar { value, valid_range: v } = self.scalar;
let bits = value.size(cx).bits();
assert!(bits <= 128);
let max_value = !0u128 >> (128 - bits);
@ -1083,7 +1083,7 @@ impl Niche {
pub fn reserve<C: HasDataLayout>(&self, cx: &C, count: u128) -> Option<(u128, Scalar)> {
assert!(count > 0);
let Scalar { value, valid_range: v } = self.scalar.clone();
let Scalar { value, valid_range: v } = self.scalar;
let bits = value.size(cx).bits();
assert!(bits <= 128);
let max_value = !0u128 >> (128 - bits);
@ -1137,7 +1137,7 @@ pub struct Layout {
impl Layout {
pub fn scalar<C: HasDataLayout>(cx: &C, scalar: Scalar) -> Self {
let largest_niche = Niche::from_scalar(cx, Size::ZERO, scalar.clone());
let largest_niche = Niche::from_scalar(cx, Size::ZERO, scalar);
let size = scalar.value.size(cx);
let align = scalar.value.align(cx);
Layout {